Last Update: 09/22/2026 at 11:34 PM EST

Courts Block IRS-ICE Tax Data Sharing

Coverage from The Haitian Times, The Independent, and others

Courts Block IRS-ICE Tax Data Sharing topic image

Federal courts have found that the IRS improperly disclosed confidential taxpayer address information to Immigration and Customs Enforcement under an expanded Treasury-DHS data-sharing arrangement.

The rulings have blocked further disclosure and use of the data, citing statutory privacy protections, deficient requests, and inadequate safeguards for automated record matching. The government plans to appeal, leaving the scope and future of the arrangement subject to ongoing litigation.

Key Articles3 of 34 articles

If you read one thing

Reuters clearly explains the appellate ruling, the automated-review safeguards at issue, and the legal limits placed on IRS disclosures.

Reuters / Nate Raymond

The counter-case

This article presents the opposing statutory interpretation that permits certain IRS disclosures to federal officials for non-tax investigations.

CFO Brew / Natasha Pif1on

The evidence

FedScoop supplies concrete scale and procedural detail on the records reviewed, disclosures made, and safeguards criticized by the court.

FedScoop / Matt Bracken
Key Issues

Judicial constraints are strengthening

Recent appellate rulings have upheld injunctions blocking further IRS transfers to ICE and limiting use of previously shared data, reinforcing statutory confidentiality protections. The broader arrangement remains legally unresolved because earlier rulings allowed some verification activity and the government intends to appeal.

Strengthening

Drawn from 4 articles

Large-scale exposure is established

The arrangement subjected nearly 1.3 million taxpayer records to ICE requests, produced more than 47,000 matches, and resulted in roughly 42,695 unlawful address disclosures. The scale of the underlying matching operation remains a defining feature even though address sharing occurred in a minority of matched cases.

Stable

Drawn from 4 articles

Automated verification safeguards are under judicial attack

Courts have criticized automated review of millions of records without individual safeguards and have identified deficient requests, extra address disclosures, and risks of mistaken identity. These findings are converting verification controls from a procedural concern into a central legal constraint on the program.

Strengthening

Drawn from 4 articles

Key Numbers

nearly 1.3 million taxpayers

taxpayers whose addresses were requested

ICE request

The agreement, called the “Data-Exchange Procedure,” involved an IRS response to an ICE request for addresses of nearly 1.3 million taxpayers. The IRS returned more than 47,000 matches to the Department of Homeland Security component.

FedScoop

more than 47,000 matches

taxpayer-data matches returned

returned to the Department of Homeland Security component

The agreement, called the “Data-Exchange Procedure,” involved an IRS response to an ICE request for addresses of nearly 1.3 million taxpayers. The IRS returned more than 47,000 matches to the Department of Homeland Security component.

FedScoop

47,289 records

taxpayer records shared with ICE

by the time a lower-court judge blocked the policy

The IRS had shared 47,289 records by the time a lower-court judge blocked the policy.

Reuters

millions records

records subjected to automated review

without individual review

The policy, Pillard wrote, “automates the review of millions of records without any individual review or any other means of ensuring compliance with the legal prerequisites to releasing each individual taxpayer’s information.”

Reuters

Contested Issue

Does federal tax law authorize the IRS to disclose taxpayer names and addresses to ICE for immigration-related investigations?

The corpus contains materially conflicting judicial interpretations. District-court and later appellate rulings described the disclosures as unlawful because ICE requests and automated matching did not satisfy taxpayer-confidentiality safeguards, while earlier D.C. Circuit proceedings and related reporting said the tax code permits disclosure of certain names and addresses to designated federal officials in non-tax criminal investigations.

Disclosure violated tax confidentiality law

3 articles · across 3 publications

The IRS unlawfully disclosed confidential taxpayer information to ICE because the requests, address matching, and automated review did not satisfy the safeguards and limits of Section 6103.

Certain disclosures were statutorily permitted

3 articles · across 3 publications

The tax code permits the IRS to share certain taxpayer names and addresses with designated federal officials for non-tax criminal investigations, allowing the IRS-ICE arrangement to continue while litigation proceeded.

Looking Back
133 Day Timeline
Feb 5Mar 19Apr 30Jun 11Jul 23Sep 3
The Story So Far
No material change

There was no material change supported by the supplied new-member delta; the listed articles were not new since the prior snapshot.

Previously

The cluster is centered on a rapidly developing legal challenge over IRS-to-ICE data sharing, with courts increasingly finding or limiting disclosures of taxpayer address information under a Treasury-DHS agreement. The dominant current signal is judicial scrutiny of whether the IRS violated statutory privacy protections when it shared or verified taxpayer data for immigration enforcement. The cluster is now anchored by court rulings, injunctions, and alleged disclosure counts rather than broad policy debate.

History
09/09/2026

The litigation has advanced from trial-level scrutiny to appellate involvement, with injunctions now expressly restricting both future transfers and ICE’s use of previously shared data. Courts have also articulated more specific deficiencies involving ICE requests and automated record matching, while the government plans to appeal.

All Articles34 articles
Important30 articles · CI Score 60 and above
The Haitian Times
U.S. District Judge Colleen Kollar-Kotelly on Thursday in Washington DC ruled that IRS violated confidentiality by disclosing confidential taxpayer addresses to ICE under a DHS data sharing agreement.
2/28/2026 • Data Collection & Surveillance Practices • General
The Independent / Alex Woodward
Federal judge in Washington DC rules IRS data sharing with ICE violated privacy protections.
2/27/2026 • Data Collection & Surveillance Practices • General
Business Standard
US Court of Appeals for the DC Circuit denies injunction on IRS and ICE data sharing involving immigrant tax records on Tuesday in Washington DC.
2/25/2026 • Data Collection & Surveillance Practices • General
Business Standard / Surbhi Gloria Singh
DC Circuit Court on Tuesday refused to enjoin IRS-ICE data sharing in Washington DC to cross verify immigrant tax records.
2/25/2026 • Data Collection & Surveillance Practices • General
Business Standard / Treasury Secretary Scott Bessent
ICE and IRS data sharing of immigrant names and addresses continues after a DC Circuit ruling in Washington DC under an April agreement due to privacy concerns.
2/25/2026 • Data Collection & Surveillance Practices • General
Senator Alex Padilla
Federal district judge ruled last spring that IRS and ICE data sharing breached taxpayer privacy laws in the United States.
2/27/2026 • Data Collection & Surveillance Practices • General
CFO Brew / Natasha Pif1on
DC court rules sharing data
2/27/2026 • Data Collection & Surveillance Practices • General
Business Times / Ryan Mueller
Federal court in Washington DC ruled that IRS disclosures to ICE violated privacy protections in 42,695 cases.
2/27/2026 • Data Collection & Surveillance Practices • General
The Daily Signal / Fred Lucas
Courts in the District of Columbia examine IRS data sharing with DHS for immigration enforcement in 2025.
2/26/2026 • Data Collection & Surveillance Practices • General
ABC13 Houston
DC Circuit Court denies injunction blocking IRS ICE data sharing for immigrant verification.
2/25/2026 • Data Collection & Surveillance Practices • General
The Siasat Daily / Scott Bessent
US Court of Appeals for the DC Circuit in Washington DC refused to block IRS and ICE data sharing agreement signed last April.
2/25/2026 • Data Collection & Surveillance Practices • General
SSBCrack News
Federal agencies IRS and ICE share tax and immigration data in Washington DC after April signing, with court declining injunction.
2/24/2026 • Data Collection & Surveillance Practices • General
Gadgetreview / Nikshep Myle
ICE awarded Thundercat Technology LLC a June 5 contract for ITIN-linked data analytics after court limits on IRS-ICE tax-data sharing.
6/17/2026 • Regulation, Law & Enforcement • General
Fortune / Fatima Hussein
Federal judge Kollar-Kotelly rules IRS violated privacy rules by disclosing confidential taxpayer addresses to ICE on Thursday in Washington DC
2/27/2026 • Data Collection & Surveillance Practices • General
Fine Day Radio 102.3 WNJD
US Court of Appeals for the DC Circuit denied an emergency halt on data sharing between IRS and ICE in Washington, DC on Tuesday.
2/24/2026 • Data Collection & Surveillance Practices • General
Reuters / Nate Raymond
On Tuesday, the U.S. Court of Appeals for the District of Columbia Circuit upheld an injunction blocking the IRS from sharing taxpayer addresses with ICE in Washington.
9/8/2026 • Regulation, Law & Enforcement • General
FedScoop / Matt Bracken
The D.C. Circuit Court of Appeals upheld an order blocking the IRS from sharing taxpayer data with ICE in Washington, D.C., after finding likely violations of federal tax privacy law.
9/8/2026 • Regulation, Law & Enforcement • General
The Mirror US
IRS and ICE disclosed confidential taxpayer addresses; federal district court ruled disclosures unlawful.
2/27/2026 • Regulation, Law & Enforcement • General
Arkansasonline
Federal judge rules IRS violated confidentiality laws by sharing taxpayer addresses with ICE.
2/27/2026 • Regulation, Law & Enforcement • General
Al Jazeera / Al Jazeera Staff
Federal judge Colleen Kollar-Kotelly rules IRS violated privacy laws by disclosing taxpayer addresses to ICE in the United States.
2/27/2026 • Personal Data & Identity • General
inkl
US District Judge Colleen Kollar-Kotelly ruled that the IRS violated privacy protections by sharing taxpayer data with ICE in a federal court decision.
2/27/2026 • Regulation, Law & Enforcement • General
Newsmax
Federal judge Colleen Kollar-Kotelly in Washington DC ruled on Thursday that IRS disclosed confidential taxpayer addresses to ICE under a data-sharing agreement with DHS.
2/26/2026 • Regulation, Law & Enforcement • General
The Columbian
IRS disclosed erroneous cross agency data sharing with ICE in Washington in a court filing on Feb 12 2026.
2/12/2026 • Data Breaches & Exposure Events • General
WTOP News / Sybre Waaijer
IRS and DHS signed a data sharing agreement in April in the United States, enabling ICE to access tax records and highlighting privacy risks.
2/11/2026 • Data Breaches & Exposure Events • General
POLITICO / Danny Nguyen, Toby Eckert
Federal judges blocked IRS sharing of taxpayers residential addresses with ICE in February 2026 in Massachusetts and District of Columbia over taxpayer privacy concerns.
2/5/2026 • Regulation, Law & Enforcement • General
CityNews Halifax
IRS disclosed confidential taxpayer addresses to ICE in the 2020s in Washington DC.
2/26/2026 • Regulation, Law & Enforcement • General
CityNews Halifax / Fatima Hussein
IRS and DHS data sharing breach in the United States in 2026.
2/11/2026 • Data Breaches & Exposure Events • General
Newsweek / Stephen Maturen
IRS and ICE continue cross verification of tax records following a 2025 DC Circuit ruling in Washington DC.
2/25/2026 • Regulation, Law & Enforcement • General
Quiverquant
US lawmakers respond after court finds privacy breaches in IRS-ICE data sharing.
2/28/2026 • Data Collection & Surveillance Practices • General
tippinsights / TIPP Staff
Federal courts in Washington DC in 2025 split over IRS data sharing with DHS for immigration enforcement.
2/27/2026 • Data Collection & Surveillance Practices • General
Interesting4 articles · CI Score 45–59
Quiverquant
Senator Alex Padilla condemns the IRS-ICE data sharing breach after a court ruling in the United States.
2/28/2026 • Data Collection & Surveillance Practices • General
El-Balad.com
Federal judge rules IRS disclosed taxpayer information to DHS in interagency exchanges, highlighting privacy risks in the United States.
2/26/2026 • Data Collection & Surveillance Practices • General
FedScoop / Matt Bracken
DC Circuit Court of Appeals on Tuesday ruled that IRS and ICE data sharing did not violate the tax code or APA.
2/26/2026 • Regulation, Law & Enforcement • General
The Malaysian Reserve
Federal agencies IRS and DHS win a ruling on February 24 2026 in Washington, allowing interagency data sharing to support immigration enforcement.
2/25/2026 • Data Collection & Surveillance Practices • General